3936994037 has 2 divisors, whose sum is σ = 3936994038. Its totient is φ = 3936994036.

The previous prime is 3936994007. The next prime is 3936994049. The reversal of 3936994037 is 7304996393.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3852188356 + 84805681 = 62066^2 + 9209^2 .

It is an emirp because it is prime and its reverse (7304996393) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3936994037 - 2¹⁰ = 3936993013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3936994037.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3936994007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1968497018 + 1968497019.

It is an arithmetic number, because the mean of its divisors is an integer number (1968497019).

Almost surely, 2^3936994037 is an apocalyptic number.

It is an amenable number.

3936994037 is a deficient number, since it is larger than the sum of its proper divisors (1).

3936994037 is an equidigital number, since it uses as much as digits as its factorization.

3936994037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3306744, while the sum is 53.

The square root of 3936994037 is about 62745.4702508476. The cubic root of 3936994037 is about 1579.0222596014.

The spelling of 3936994037 in words is "three billion, nine hundred thirty-six million, nine hundred ninety-four thousand, thirty-seven".